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All results from a given calculation for CCl3CHO (trichloroacetaldehyde)

using model chemistry: MP2=FULL/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2=FULL/cc-pVTZ
 hartrees
Energy at 0K-1531.014146
Energy at 298.15K-1531.015710
HF Energy-1529.751252
Nuclear repulsion energy435.185507
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at MP2=FULL/cc-pVTZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3034 2881 28.34      
2 A' 1803 1712 103.81      
3 A' 1402 1331 7.38      
4 A' 1073 1019 32.32      
5 A' 885 841 81.94      
6 A' 648 615 54.13      
7 A' 458 435 2.47      
8 A' 322 306 3.13      
9 A' 272 258 1.39      
10 A' 202 191 2.97      
11 A" 1031 979 25.57      
12 A" 778 738 109.20      
13 A" 331 314 2.67      
14 A" 253 240 1.35      
15 A" 83 79 5.23      

Unscaled Zero Point Vibrational Energy (zpe) 6287.4 cm-1
Scaled (by 0.9494) Zero Point Vibrational Energy (zpe) 5969.2 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at MP2=FULL/cc-pVTZ
ABC
0.06240 0.05546 0.05147

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.038 0.046 0.000
C2 0.915 -1.211 0.000
O3 0.488 -2.330 0.000
Cl4 -1.659 -0.345 0.000
Cl5 0.488 0.954 1.449
Cl6 0.488 0.954 -1.449
H7 1.981 -0.956 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 Cl4 Cl5 Cl6 H7
C11.53292.41811.74141.76871.76872.1863
C21.53291.19732.71602.64042.64041.0959
O32.41811.19732.92443.58983.58982.0283
Cl41.74142.71602.92442.89842.89843.6910
Cl51.76872.64043.58982.89842.89802.8245
Cl61.76872.64043.58982.89842.89802.8245
H72.18631.09592.02833.69102.82452.8245

picture of trichloroacetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 124.216 C1 C2 H7 111.463
C2 C1 Cl4 111.942 C2 C1 Cl5 105.989
C2 C1 Cl6 105.989 O3 C2 H7 124.321
Cl4 C1 Cl5 111.322 Cl4 C1 Cl6 111.322
Cl5 C1 Cl6 110.018
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability